Failure is never a reason not to try again.

You are free only when you care for nobody in the world. But if you stop caring, life isn't worth living.

there are things you mustn't even try to explain. They either become trite or they tie you down to something that's only half true.

It is a great blessing to be able to forget, but it takes a lot of wisdom to know what should be forgotten.

No fight is harder than the struggle against the thing you want most to believe.

Once you allow anyone to terrorize you, you will be terrorized all your life. Terror corrupts. Pretty soon you'll be terrorizing others. ... Life doesn't mean anything if you can't rid yourself of fear.

Scientists have a second brain where other people have their hearts.